155 engineering internship jobs at 94 companies in Joliet, IL

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Engineering Leadership Development Internship Program – Summer 2027
Golden Valley or Sanford or Delavan or Brookfield or New Brighton or White Bear Lake or Hanover Park or North Aurora or Apex or Bishop Woods or Manitowoc
$34/hr OnsiteFull Time
Pentair
PentairNYSE: PNR: Manufactures water treatment systems and swimming pool equipment globally.
Currently pursuing a Bachelor's in Chemical, Electrical, Computer, Computer Engineering, or Mechanical Engineering; junior status preferred; legal US work authorization required; proficiency in Microsoft Word, Excel, PowerPoint.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
20h
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Internship Opportunities at AISC
Chicago, Illinois, United States
OnsiteMultiple Commitments Available
American Institute of Steel Construction
American Institute of Steel Construction: Technical institute and trade association for structural steel.
Students in structural, architectural, or civil engineering programs; master's students or bachelor's students in at least year three; structural steel design coursework and U.S. work authorization required.
1w
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Software Engineering Internship - Summer 2027
Chicago, Illinois, United States
$15k/mo OnsiteInternship
Chicago Trading Company
Chicago Trading Company: Market maker providing liquidity for financial derivative products.
Pursuing BS/MS in CS or similar, graduating Dec 2027–Jun 2028; foundation in data structures, OOP, algorithms; experience with Java,C++,or Python; willing to relocate to Chicago and participate full 8-week program.
Java, C++, Python
3w
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Software Engineering Internship - Summer 2027
Chicago, Illinois, United States
$15k/mo HybridInternship
Chicago Trading Company
Chicago Trading Company: Provides liquidity and manages risk in global derivatives markets.
Pursuing a Bachelor’s or Master’s in CS/CE or similar, graduation Dec 2027–Jun 2028; Java/C++/Python experience; ability to relocate to Chicago for full 8-week summer program; strong CS fundamentals and teamwork.
Java, C++, Python
3w
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Civil Engineering Intern
Chicago, Illinois, United States
$28-$29/hr OnsiteInternship
Kimley-Horn
Kimley-Horn: Full-service consulting firm providing engineering, planning, and design services.
In-progress ABET-accredited Bachelors or Masters in engineering, familiarity with civil engineering design and regulations, and ability to use discipline software.
AutoCAD, Revit, Civil 3D, Microsoft Excel, Microstation, VISSIM, Open Roads, Synchro, GIS
7h
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Radiological/Nuclear Engineering Intern - Nuclear (Summer 2027)
Chicago, Illinois, United States
$18-$30/hr OnsiteMultiple Commitments Available
Sargent & Lundy
Sargent & Lundy: Provides engineering and consulting services for the power industry.
Active BS/MS enrollment in Nuclear Engineering with radiological analysis coursework, strong academics, MS Office proficiency, and excellent written and verbal communication. Related internship experience preferred.
Microsoft Office, MCNP, RADTRAD, MicroShield, ORIGEN, ARCON96, Python, MATLAB, Microsoft Excel
1mo
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Electrical Engineering Intern
Chicago or Lisle
OnsiteInternship
Primera Engineers
Primera Engineers: Provides engineering and design services for buildings and infrastructure.
0+ YOEEnrolled in a bachelor's in electrical engineering (GPA ≥ 3.2), motivated to gain hands-on experience; proficiency with Microsoft Office; AutoCAD a plus; capable of field surveys, drawings, and calculations.
Microsoft Office, AutoCAD
1mo
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Intern/Co-op – Traffic Engineering
Chicago or Cleveland or Pittsburgh
$22-$28/hr OnsiteInternship
Langan
Langan: Provides integrated engineering, environmental, and site development consulting services.
Currently pursuing a bachelor’s or advanced degree in civil/traffic engineering or transportation planning, GPA preferred 3.0+, familiarity with HCS,SYNCHRO,MUTCD,knowledge of AutoCAD/MicroStation/SoftDesk,valid driver’s license and reliable transportation.
HCS, SYNCHRO, MUTCD, AutoCAD, MicroStation, SoftDesk
20h
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Electrical Engineering Intern - Nuclear (Summer 2027)
Chicago, Illinois, United States
$18-$30/hr OnsiteMultiple Commitments Available
Sargent & Lundy
Sargent & Lundy: Engineering and consulting services for the power industry.
Active enrollment in a bachelor's or master's electrical engineering program, strong electrical power coursework, MS Office proficiency, and excellent written and verbal communication skills.
Microsoft Office, ETAP, Python, MATLAB, Microsoft Excel, Artificial Intelligence
3w
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Traffic Engineering Intern / Co-op - Fall 2026
Pittsburgh or Cleveland or Chicago
$22-$29/hr OnsiteInternship
Langan
Langan: Provides integrated land development engineering and environmental consulting services.
Student pursuing a four-year or advanced Civil or Traffic Engineering/Transportation Planning degree; strong communication, analytical, teamwork, and detail skills; valid driver's license and reliable transportation required.
HCS, SYNCHRO, MUTCD, AutoCAD, MicroStation, SoftDesk
3w
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Fall/Spring 2026/2027 Engineering Co-Op
Merrillville, Indiana, United States
$22-$28/hr OnsiteFull Time, Internship
Chicago Magnesium Casting Company
Chicago Magnesium Casting Company: Manufactures complex metal castings for the aerospace industry.
Pursuing a Mechanical/Aerospace or related engineering degree, min 12 semester hours completed, rising sophomore or higher, US work authorization without sponsorship, strong analytical and teamwork skills.
1mo
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Solutions Engineering Intern - Commerical Team (Chicago)
Chicago or United States
$30-$40/hr RemotePart Time, Internship
Salt AI
Salt AI: Provides an AI orchestration platform for life sciences organizations.
Currently pursuing a BS/MS/PhD in CS/AI/data science/bioinformatics; experience with LLMs, agent frameworks (e.g., LangChain, AutoGen, BioNemo) and AI-assisted coding tools; academic or personal ML projects and research reproduction experience.
LangChain, AutoGen, BioNemo, Claude Code, Codex, Salt OS, LLMs
1d
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Field Engineer Internship Summer 2027
Lisle or Chicago
$21-$24/hr OnsiteInternship
OHLA USA
OHLA USA: Infrastructure and construction specializing in civil engineering projects.
Pursuing a Civil Engineering or Construction Management degree; construction knowledge preferred, with strong organization, time management, work ethic, and teamwork skills.
cost control system
3w
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Internship - Quantitative Trading
Austin or Chicago or New York City
$5k-$6k/wk OnsiteInternship
Virtu Financial
Virtu FinancialNYSE: VIRT: Provides liquidity and trading technology to global financial markets.
Rising-junior college students for a 10-week internship; strong quantitative background (physics, engineering, math, statistics), outstanding problem-solving, and some programming experience (Python, SQL, Java, C++).
Python, SQL, Java, C++
2d
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Integration Technician Internship
University Park, Illinois, United States
$22/hr OnsitePart Time, Internship
Federal Signal
Federal SignalNYSE: FSS: Manufacturer of infrastructure maintenance and public safety equipment.
Undergraduate sophomore or later pursuing a bachelor's degree in computer science or information technology; proficient in Microsoft Office tools and able to work independently and collaboratively.
Microsoft Excel, Microsoft PowerPoint, Microsoft Word
1w
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2027 Entry Level Rotational Program Engineering - LEAP
Wilmington or Newark or Marlborough or Schaumburg or Bayport or Circleville or Towanda
OnsiteFull Time
Qnity Electronics
Qnity ElectronicsNYSE: Q: Manufactures materials and solutions for the semiconductor industry.
0.5+ YOEBachelor's or Master's in engineering (ABET), GPA≥3.0, ≥6 months relevant internship/co-op, legal right to work in the U.S., geographic flexibility and willingness to relocate, ability to support plant operations and occasional on-call duties.
1mo
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Engineering Intern / Co-op
Chicago, Illinois, United States
$35-$55/hr OnsiteFull Time, Internship
OceanComm
OceanComm: High-speed wireless acoustic modems for underwater video and data.
Actively enrolled STEM student (EE/CompE/MechE or related), full-time on-site for minimum 12 weeks, proficiency in C/C++/Python and Git, strong fundamentals in software or hardware, U.S. person requirement.
C, C++, Python, Git, TypeScript, Vue, ROS2, SystemVerilog, UVM, cocotb
3w
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Mechanical Engineering Co-Op
Morton Grove, Illinois, United States
$21-$27/hr OnsiteInternship
Smiths Group
Smiths GroupLondon Stock Exchange: SMIN: Engineers specialized technologies for energy, security, and aerospace markets.
Enrolled 2nd–3rd year bachelor's engineering student; hands-on mechanical design interest; competence in Microsoft Office; CAD skills (Siemens Solid Edge, SolidWorks, Creo) preferred.
Siemens Solid Edge, SolidWorks, Creo, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Adobe Acrobat
1mo
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Skillbridge Project Management Development Internship
Elgin, Illinois, United States
FieldFull Time, Internship
MKD Electric
MKD Electric: Provider of industrial electrical contracting and automation services.
26-week SkillBridge internship for transitioning service members; seeks candidates with backgrounds in engineering, construction, facilities, power, communications, logistics, or operations. Travel to multiple project sites; exposure to planning, scheduling, budgeting, safety, and project controls.
2w
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Process Engineering&Data Analytics Intern -FF
Chicago, Illinois, United States
$27-$28/hr OnsiteInternship, Part Time
The Partner Companies
The Partner Companies: Global manufacturer of mission-critical precision components and specialty materials.
Pursuing an engineering degree in metallurgy/chemistry/materials/chemical engineering, strong stats and DOE knowledge, Microsoft Excel proficiency; Minitab/JMP/Power BI/Python preferred.
Microsoft Excel, Minitab, JMP, Power BI, Python